1. rat   Balaenoptera musculus   Equus zebra   Rattus rattus   Giraffa camelopardalis   Hint Half-n-half Clue   2. leopard   Canis familiaris   Equus caballus   Rana tigrina   Panthera pardus   Half-n-half Clue   3. rhinoceros   Canis familiaris   Diceros bicornis   Panthera tigris   Equus zebra   Half-n-half Clue   4. lion   Balaenoptera musculus   Equus zebra   Panthera leo   Rattus rattus   Half-n-half Clue   5. frog   Felis domesticus   Rana tigrina   Panthera pardus   Giraffa camelopardalis   Half-n-half Clue   6. fox   Panthera leo   Alopex lagopus   Equus caballus   Rana tigrina   Half-n-half Clue   7. giraffe   Rana tigrina   Rattus rattus   Giraffa camelopardalis   Equus zebra   Half-n-half Clue